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121031300311 = 1992233837121
BaseRepresentation
bin111000010111000000…
…1110001010011010111
3102120101212202002120021
41300232001301103113
53440333003102221
6131333452450011
711513161035565
oct1605601612327
9376355662507
10121031300311
1147369017329
121b559179907
13b54aa6333c
145c022c0a35
1532357bb041
hex1c2e0714d7

121031300311 has 16 divisors (see below), whose sum is σ = 122521190400. Its totient is φ = 119553287040.

The previous prime is 121031300261. The next prime is 121031300323. The reversal of 121031300311 is 113003130121.

It is a cyclic number.

It is not a de Polignac number, because 121031300311 - 27 = 121031300183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031300371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16992831 + ... + 16999951.

It is an arithmetic number, because the mean of its divisors is an integer number (7657574400).

Almost surely, 2121031300311 is an apocalyptic number.

121031300311 is a deficient number, since it is larger than the sum of its proper divisors (1489890089).

121031300311 is a wasteful number, since it uses less digits than its factorization.

121031300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121031300311 its reverse (113003130121), we get a palindrome (234034430432).

The spelling of 121031300311 in words is "one hundred twenty-one billion, thirty-one million, three hundred thousand, three hundred eleven".

Divisors: 1 199 223 383 7121 44377 76217 85409 1417079 1587983 2727343 16996391 316008617 542741257 608197489 121031300311